Method of coloring hair with sulfo-containing water dispersible colored polymers

ABSTRACT

A method of coloring keratinous fibers with, and coloring compositions comprising, a sulfo-containing, water-dispersible polymer having carbonyloxy linking groups, and a colorant reacted into or onto the polymer backbone.

BACKGROUND OF THE INVENTION

1. Field of the Invention

This invention relates to compositions and processes for non-permanently coloring keratinous fibers, particularly hair on the human scalp, comprising the use of sulfo-containing, water-dispersible, colored polymers wherein the colorant moiety is incorporated into or onto a carbonyloxy and/or carbonylamide backbone of the polymer. The polymers are uniquely designed to offer cosmetically desirable color coatings on hair and to be easily dispersible in hot water, yet offer excellent resistance to redispersion in water at room temperature.

2. Description of the Prior Art

It is very desirable to offer users of hair colorants the option of coloring their hair in such a manner that the effect of the coloring treatment can be easily removed or reversed by the use of regular, commercial shampoo products. Uncertainty and concern about selecting the right color, the wish to easily experiment with different hair tonalities, and the changing requirements of fashion and lifestyles, all contribute to the desirability of non-permanent hair coloring products. Additionally, there is a frequent need to modulate or adjust the color produced by prior, more permanent color treatments. This is especially desirable in order to compensate for the gradual color fading which is always observed after using even the most permanent hair coloring products.

Another application for hair coloring materials which can easily and reversibly color hair comprises incorporating them into frequently used hair care products such as conditioners, mousses and setting lotions. This allows the user to conveniently tone or introduce color highlights in the hair without the need for a separate coloring process.

Customarily, hair is colored using low molecular weight compounds which penetrate the keratinous fibers. This approach has been successful for producing permanent and semipermanent color effects on hair. It requires, however, some affinity between the chromophore-bearing molecules of the colorant and the fibers and, as a result, it becomes very difficult even after repeated shampooing to remove all the colorant which has penetrated into the hair. In addition, these permanent and semi-permanent treatments are very sensitive to variations in the quality of hair among different individuals. Treatments which do not penetrate the hair fibers, but which color hair by depositing colored materials only on the hair fiber surface, are practically insensitive to such variations, can be easily removed and have therefore been proposed and used for the non-permanent, i.e. totally reversible, coloring of hair.

U.S. Pat. No. 4,559,057 describes the use of insoluble pigments. Due to their poor adherence to the hair surface, they are to be used together with a polymeric binder in order to reduce rub-off of the color and produce acceptable color coatings on hair. Insoluble pigments are very different from the soluble dyes of the present invention.

U.S. Pat. No. 4,804,719 discloses polymeric compositions which contain carbonyloxy and carbonylamide links, particularly polyesters and polyesteramides, having water solubilizing sulfonate groups and colorants, copolymerized onto or into the polymer backbone. It is indicated in this patent that these polymers are useful in adhesives, coating materials, films and packaging materials. It is also stated therein that aqueous dispersions of these materials have utility as inks, paints and other industrial coatings, all of which are intended to be permanent in nature. No disclosure is made relating to the specific art of dyeing keratinous fibers, non-permanently or otherwise.

Various examples of thermally stable industrial colorants useful for manufacturing colored polymers through incorporation into or onto the sulfopolyester polymer are described in U.S. Pat. Nos. 2,571,319; 3,034,920; 3,104,233; 3,372,138; 3,417,048; 3,489,713; 3,278,486; 3,359,230; 3,401,192; 3,417,048; 3,424,708; 4,049,376; 4,080,355; 4,088,650; 4,116,923; 4,141,881; 4,202,814; 4,231,918; 4,267,306; 4,279,802; 4,292,232; 4,344,767; 4,359,570; 4,403,092; 4,477,635; 4,594,400; 4,617,373; 4,617,374; 4,740,581; 4,745,173; 4,808,677; 4,892,922; 4,892,923; 4,958,043; 4,999,418; 5,030,708; 5,032,670; 5,075,491; 5,086,161; 5,102,980; 5,106,942; 5,151,516; 5,179,207; 5,194,571; 5,274,072; 5,281,658 and 5,384,377. None of the above references suggest the application of the industrial colorants to human hair.

U.S. Pat. Nos. 4,300,580 and 5,158,762 disclose hair spray compositions comprising colorless, sulfo-containing, water dispersible polyesters which are useful for giving hair a firm texture and for holding hair in a desired arrangement for a certain length of time. These polymers are fundamentally different from those in the present invention in that the reference does not teach or suggest colored molecules. Inherently, they also fall to suggest incorporating colored molecules into or onto the polymeric backbone.

In order for colored polymers to be useful in non-permanent hair coloring they must fulfill a number of requirements which are quite distinct from those necessary for hair spray resins. Specifically, they must form films that strongly adhere to the hair surface. Such films must also remain flexible enough under different temperature and relative humidity conditions so as to withstand the bending of hair without fracturing and separating from the fibers. They should, however, be hard enough to prevent the transfer of color if rubbed against parts of the body, clothing, etc. They must be easily and completely removable by shampooing and yet, in order to prevent color bleed, they cannot be easily redispersed or resolubilized by contact with water at room temperature. They must also obviously be safe and not irritate or stain the skin. In contrast, hair spray and other hair styling colorless polymers are practically invisible to the naked eye. As a result, rub-off onto other surfaces, moderate flaking of fractured film particles, incomplete shampoo removability, and "bleed" upon exposure to water would not be noticed. Unlike the aforementioned colorless polymers, the intense coloration of the polymers described in this invention would make even small-trace quantities of them quite obvious, and easily noticeable on hair, other surfaces and in solution. It can thus be easily understood that the requirements for hair spray or hair styling colorless polymers are intrinsically far less stringent than those for colored polymers for use in non-permanent hair coloring products. It is then by no means anticipated that, if a certain type of colorless polymer useful in hair fixatives could be made colored even without changing its properties, it would then also be advantageously useful for non-permanent hair coloring. It is moreover well known to those familiar with polymer chemistry and properties that it is extremely difficult to incorporate a new and different comonomer into or onto a polymer backbone without substantially changing the properties of the polymer.

U.S. Pat. Nos. 3,251,743 to BASF and 3,535,255; 3,567,678; 3,597,468; 3,617,165; 3,619,101; 3,720,653; 3,763,086; 3,797,994 and 3,915,635 to L'Oreal disclose colored polymers and compositions for coloring hair. These polymers are structurally different from those disclosed in the present invention in that they do not have solubilizing sulfonate groups and they have a hydrocarbon backbone. They rely instead on carboxy groups which in some cases have to be neutralized by organic or inorganic bases in order to make these polymers water soluble. Alternatively, they can be dissolved in alcohol or alcohol-water solutions.

U.S. Pat. No. 4,182,612 describes a new class of water soluble cationic colored polymers useful for dyeing hair prepared by the colorant reaction of chromophores with selected polymer backbones. U.S. Pat. No. 4,228,259 also describes the preparation and use for dyeing hair of water soluble cationic colored polymer having various amine groups wherein said amine groups are either a part of or aid in the linking to the polymer chain of an aryl or arylaliphatic chomophore. The polymers in both of these patents are different from those in the present invention in that they do not have water solubilizing sulfonate groups and the structure of the backbone is very different. In addition, and by design, their cationic nature gives them a very strong affinity for hair, making them very shampoo resistant and therefore not suitable for temporary, i.e. easily removable, hair coloring treatments.

U.S. Pat. Nos. 4,051,138; 4,144,252; and 4,169,203 to Dynapol describe the composition of water soluble colored anionic polymers. These polymers are different from those of the present invention in various important respects. The polymer backbone is a simple hydrocarbon chain whereas the polymers described in this invention contain carbonyloxy and/or carbonylamide moieties in the backbone. Although the polymers in these three patents similarly have water solubilizing sulfonate groups, these polymers were mainly designed to be used as water soluble colorants in foods and beverages and are so readily and quickly water soluble that they would show excessive color bleeding if used to color hair. In addition, they are not good film forming polymers and, because of these characteristics, they are not useful as substantive hair colorants. In contrast, since the sulfo-containing polymers of the present invention are not readily water-soluble, less bleeding is observed. Thus, they are a major improvement over the Dynapol compounds.

In summary, the colored polymers used in this invention have chemical structures different from the colored polymers proposed as hair colorants in the prior art. The combination of the water-solubilizing sulfonate groups, colored monomers, and the structure of the polymer backbone, which may include three to four additional monomers, is unique. Unexpectedly, this type of structure produces colored polymers which are highly resistant to dispersion in ambient temperature water. As a result, when these polymers are present on the hair surface as dry films, color bleed upon exposure to ambient temperature water is insignificant.

SUMMARY OF THE INVENTION

It is the purpose of this invention to provide a fast and convenient method and a hair coloring composition for non-permanently coloring hair. The hair coloring composition comprises a colored, sulfo-containing, water-dispersible polymer having carbonyloxy and/or carbonylamide links and has the colorant moiety incorporated into or onto the backbone of the polymer by covalent bonds. Other water-dispersible or water-soluble polymers may be present. The colored polymer may be formulated into conventional type hair care systems such as mousses, gels, sprays and lotions.

It is further a purpose of this invention to provide a fast and convenient composition and method for non-permanently coloring hair with a full range of color shades and which can be easily and completely removed by simple shampooing.

It is another object of the invention to provide compositions and a method for non-permanently coloring hair, wherein the colored hair shows minimal color bleed upon exposure to ambient temperature water, virtually no color rub-off and excellent resistance to flaking during combing and brushing.

It is also a purpose of the present invention to provide compositions and a method for non-permanently coloring hair involving the use of colored polymers which are readily dispersed in hot (e.g., above about 80° C.) water without the assistance of detergents, organic cosolvents, or organic or inorganic bases, thus eliminating their exposure to the user and their contaminating effect on the environment.

It is yet another purpose of this invention to provide compositions and a fast method for non-permanently coloring hair which does not stain the skin, which is safe, and which minimizes the exposure to the user of low molecular weight colored compounds.

It is another purpose of this invention to provide compositions for non-permanent hair coloring which can be easily removed by simple shampooing, but if so desired can be made more permanent to last through several (i.e., 6-8) shampooings by a subsequent rinse of the colored hair with an aqueous solution of inorganic salts, such as bi-valent and tri-valent ions (e.g., Fe⁺⁺⁺, Al⁺⁺⁺, Mg⁺⁺, Ca⁺⁺).

It is an additional object of the invention to provide a composition which can be conveniently used as a color refresher to compensate for the gradual color fading observed after more permanent color treatments.

It is another object of the present invention to provide compositions which can be readily used to non-permanently color hair in a way which makes it appear lighter in color.

Lastly, it is yet one more object of this invention to provide multiple purpose compositions and methods to non-permanently color hair and at the same time provide other benefits such as hair setting, styling and hair conditioning in one single treatment.

DETAILED DESCRIPTION OF THE INVENTION

It has been surprisingly discovered that colored polymers similar to those described in the Background of the Invention relating to industrial applications can be advantageously used for the temporary surface coloring of keratinous fibers, particularly hair on the human scalp. This result is unexpected due to the important differences in chemical composition and properties between the surface of keratin fibers and the surfaces of cellulose based papers, containers and other man-made substrates onto which inks and paints are normally applied. Adequate wetting adhesion and film formation on the latter surfaces are no predictors of performance on the surface of human hair. In addition, other properties such as ease of removal from the hair by shampooing, resistance to brushing and absence of scalp staining could not have been anticipated from their industrial use as inks, paints or coatings, particularly since such applications are intended to be and are permanent.

The non-permanent coloration of hair is conveniently, quickly and safely provided by the method of the present invention which, in its broadest sense, comprises applying to the hair a tinctorially effective amount of a colored, sulfo-containing, water-dispersible polymeric material having carbonyloxy linking groups, wherein the colorant moiety is reacted into or onto the polymeric backbone. The linking groups may further comprise carbonylamide linking groups, provided at least about 20 mole % of the linking groups are carbonyloxy linking groups. Preferably, the polymer contains water-solubilizing sulfonate groups and the colorant comprises one or more heat stable organic compounds initially having at least one condensable group, wherein the colorant is present in an amount from about 1 to about 40 mole %, based on the total of all reactant hydroxy, carboxy and amino equivalents. These equivalents encompass the various condensable derivatives thereof including carbalkoxy, carbaryloxy, N-alkycarbamyloxy, acyloxy, chlorocarbonyl, carbamyloxy, N-(alkyl)₂ carbamyloxy, alkylamino, N-phenylcarbamyloxy, cyclohexanoyloxy and carbocyclohexyloxy. The term "heat stable" is intended to mean stable up to at least about 270° C.

In a more preferred embodiment, the polymer useful in the method of the present invention contains about 20 to about 100 mole % carbonyloxy linking groups in a linear molecular structure and 0 to about 80 mole % carbonylamide linking groups, the polymer having a weight average molecular weight of from about 5,000 to about 50,000, more preferably from about 10,000 to about 25,000, and an inherent viscosity of from about 0.10 to about 0.50 measured in a 60/40 parts by weight solution of phenol/tetrachloroethane at 25° C. and at a concentration of 0.10 g. of polymer in 100 ml of the solvent, the polymer containing substantially equimolar proportions of acid equivalents (100 mole percent) to hydroxy and amino equivalents (100 mole percent), the polymer comprising the reaction residues of the following reactants (a), (b), (c), (d) and (e), and the ester-forming and esteramide-forming derivatives thereof:

(a) at least one dicarboxylic acid;

(b) from about 4 to about 25 mole %, based on a total of all acid, hydroxy and amino equivalents being equal to about 200 mole %, of at least one difunctional sulfomonomer containing at least one sulfonate group attached to an aromatic or cycloaliphatic nucleus wherein the functional groups are hydroxy, carboxy or amino;

(c) at least one difunctional reactant selected from a glycol or a mixture of a glycol and diamine having two--NHR groups, the glycol containing two--CH₂ OH groups of which

(1) at least about 10 mole %, based on the total mole percent of hydroxy or hydroxy and amine equivalents, is a poly(ethylene glycol) having the structural formula:

    H(OCH.sub.2 CH.sub.2).sub.n OH

n being an integer of from about 2 to about 20, or

(2) from about 0.1 to about 15 mole %, based on the total mole percent of hydroxy or hydroxy and amine equivalents, is a poly(ethylene glycol) having the structural formula:

    H(OCH.sub.2 CH.sub.2).sub.n OH

n being an integer of from about 2 to about 500, and with the proviso that the mole percent of said poly(ethylene glycol) within said range is inversely proportional to the quantity of n within said range;

(d) optionally, at least one difunctional reactant selected from a hydroxycarboxylic acid, an amino-carboxylic acid having one--NHR group and an amino-alcohol having one--C(R)₂ OH group and one--NHR group; or mixtures of said difunctional reactants; wherein each R in the (c) or (d) reactants is a hydrogen atom or alkyl group of 1 to 4 carbon atoms; and

(e) from about 5 mole % to about 40 mole %, based on a total of all acid, hydroxy and amino equivalents being equal to about 200 mole %, of one or more thermally stable colorant(s) having at least one functional group selected from hydroxy, carboxy and amino equivalents, and the condensable derivatives thereof, reacted into or onto the polymer chain.

In a further preferred embodiment, the carbonyloxy linking groups are polyesters and the carbonylamide linking groups, if any, are polyesteramides.

In a most preferred embodiment, the sulfo-containing polyester contains not more than about 10 mole %, based on all reactants, of reactant (d); about 5 to about 30 mole %, based on all reactants, of reactant (e); and at least 70 mole % of all hydroxy equivalents are present in the glycol.

The use of the term "acid" in the above description of the polymer includes the various ester forming or condensable derivatives of the acid reactants such as the acid halides and methyl esters as employed in the preparations set out in the patents incorporated herein by reference. Among the preferred sulfomonomers are those wherein the sulfonate group is attached to an aromatic nucleus such as benzene, naphthalene, diphenyl and/or the like.

Suitable thermally stable colorants are described in the aforementioned prior art references, such as U.S. Pat. No. 4,804,719, the disclosure of which is incorporated herein by reference, and preferably selected from the classes of:

methines; bis-methines; anthraquinones;

3H-dibenz f,ij!isoquinoline-2,7-diones(anthrapyridones); triphenodioxazines;

5,12-dihydroquinoxalino 2,3-b!phenazines (fluorindines); phthaloylpyrrocolines;

2H-1-benzopyran-2-ones (coumarins); 3H-naphtho 2,1-b!pyran-2-ones (benzocoumarins);

4-amino-1,8 naphthalimides; thioxanthene-9-ones; 2,5(3)-arylaminoterephthalic acids (or esters); benzo f!pyrido 1,2-a!indole-6,11-diones; quinophthalones;

7H-benz(de)anthracene-7-ones(benzanthrones);

7H-benzo e!perimidin-7-ones (anthrapyrimidines);

6,15-dihydro-5,9,14,18-anthrazinetetrones (indanthrones);

7H-dibenz f,ij!isoquinoline-7-ones (anthrapyridines); 6H,18H-pyrido 1,2-a: 3,4-b'!diindole-6,13-diones, diindolo 3,2,1-de:3',2',1'-ij! 1,5!naphthpyridin-6,13-diones;

naphtho 1',2',3':4,5!quino 2,1-b!quinazoline-5,10 diones;

benzo f!pyrido 1,2-a!indole-6,11-diones; 7H-benzimidazo 2,1-a! de!isoquinolin-7-one;

5H-benzol a!phenoxazine-5-ones; 5H-benzo a!phenothiazine-5-ones;

benzo f!pyrido 1,2-a!indole-6,11-diones; 3,6-diaminopyromellitic acid diimides;

naphthalene 1:4:5:8! tetra carboxylic bisimaides; 3-aryl-2,5-dioxypyrrolines; perinones;

perylenes; phthalocyanines; anthraisothiazoles; quinacridones; anthrapyrimidones;

phthaloylacridones; phthaloylphenothiazines and phthaloylphenothiazine-S,S-dioxides.

Particularly preferred classes of colorants are the methines, bis-methines, anthrapyridones, anthraquinones and phthalocyanines.

The colorant compounds described above may be represented by the formula:

    X--Col--X

wherein Col is the residue of one of the types of colorants set forth above and X is a condensable carbonyloxy-reactive or carbonylamide-reactive substituent, i.e., a group reactive with at least one of the monomers from which the sulfo-containing polyester is prepared. Examples of the reactive groups which X may represent include a hydroxy, carboxy, amino, alkylamino, an ester radical, an amido radical and the like. The ester radicals may be any radical having the formulae: ##STR1## wherein R₁ is unsubstituted or substituted C₁ -C₅ alkyl, C₅ -C₇ cycloalkyl, phenyl or substituted phenyl. R₁ is preferably unsubstituted alkyl of up to about four carbon atoms, e.g. methyl and ethyl. R₂ is hydrogen or those groups listed for R₁. Typical substituents on the alkyl groups represented by R₁ and R₂ include hydroxy, C₁ -C₄ alkoxy and halogen, phenyl, cyclohexyl, 2-furyl, cyano and halogen. Typical substituents on the phenyl groups represented by R₁ and R₂ include C₁ -C₄ alkyl, C₁ -C₄ alkoxy and halogen. Reactive group X preferably is hydroxy, carboxy, carbalkoxy or alkanoyloxy of up to about 4 carbon atoms, e.g. carbomethoxy or acetoxy. It is to be understood that X may represent two different reactive groups, e.g. one X group may represent hydroxy while the other X group may represent carboxy.

The aforedescribed colored polyester and polyamide material are prepared according to the technology for preparing sulfo-containing polymers as described in U.S. Pat. Nos. 3,546,008; 3,734,874; 3,779,993; 4,233,196; 4,335,220; and, in particular, U.S. Pat. No. 4,804,719, the disclosures of which are incorporated herein by reference.

The invention also relates to a hair coloring composition which comprises:

(1) about 0.05 to about 40 weight % of a colored, sulfo-containing, water-dispersible, polymer having about 20 mole % to about 100 mole % carbonyloxy linking groups and 0% to about 80 mole % carbonylamide linking groups, wherein the colorant moiety is reacted into or onto the backbone of the polymer;

(2) about 0.1 to about 10 weight % of an emulsifier; and

(3) about 50 to about 99.85 weight % of a vehicle consisting of water or water/alcohol with the provision that the alcohol is a C₂ -C₃ alcohol and that the alcohol content does not

exceed about 55% by weight of the total weight of the hair coloring composition.

In a preferred hair coloring composition, the carbonyloxy linking groups are polyesters and the carbonylamide linking groups, if any, are polyamides.

In an alternative hair coloring composition, the polymer described in (1) above may be a blend of polymers comprising:

(a) about 5 to about 100 weight %, based upon the blend of polymeric materials, of a colored, water-dispersible polymeric material having linking groups comprising about 20 mole % to about 100 mole % carbonyloxy and 0% to about 80 mole % carbonylamide, said polymeric material containing water-solubilizing sulfonate groups and having reacted into or onto the polymer backbone from about 1 to about 40 mole %, based on the total of all reactant hydroxy, carboxy and amino equivalents, and the condensable derivatives thereof, of colorant comprising one or more heat stable organic compounds initially having at least one condensable group; and

(b) 0 to about 95 weight %, based upon the blend of polymeric materials, of an uncolored, water-dispersible polymeric material comprising:

(i) about 50 to about 100 weight %, based upon the total of (b), of a water-dispersible polymeric material having linking groups comprising about 20 mole % to about 100 mole % carbonyloxy and 0% to about 80 mole % carbonylamide, said polymeric material containing water-solubilizing sulfonate groups; and

(ii) 0 to about 50 weight %, based upon the total of (b), of a water-soluble vinyl polymer or copolymer which contains at least about 50 mole % of the residues of a vinyl lactam monomer having Formula I: ##STR2## wherein n is 3 or 4; provided said colored, water-dispersible polymeric material comprises a tinctorially effective amount of the hair coloring composition, preferably about 0.05 to about 40 weight % of the hair coloring composition.

The colorless, sulfo-containing, water-dispersible polyesters and polyamides useful in the above hair coloring formulation are described in detail in U.S. Pat. Nos. 3,546,008; 3,734,874; 3,779,993; and 4,335,220 and some compositions are commercially available from Eastman Chemical Company as Eastman AQ29D, 29S, 38D, 38S, 48D, 48S, 55D and 55S.

Vinyl monomers useful for copolymerizing with the vinyl lactams of Formula I to produce the water soluble vinyl copolymer include those of Formulae II, III and IV below: ##STR3## wherein R₃ is selected from C₁ -C₁₀ alkyl groups; R₄ is hydrogen or methyl; R₅ is C₁ -C.sub. alkyl or C₁ -C₁₀ alkylene--N(R₇)R₈, wherein R₇ and R₈ are independently selected from hydrogen, C₁ -C₂ alkyl and hydroxy C₁ -C₄ alkyl; and R₆ is hydrogen or C₁ -C₆ alkyl. Vinyl acetate, styrene, acrylate esters and methacrylate esters are typical comonomers which provide suitable water soluble vinyl copolymers for the practice of the invention.

Other additives such as preservatives, fragrances, pH adjusting agents, hair conditioners, thickeners, antifoaming agents, anti-static agents, plasticizers, etc. may be added to the hair colorant formulation in such quantities as desired, usually up to about 5.0% by weight of the total composition.

Of course, aerosol propellants may be added to generate mousses, sprays, foams, etc. Preferred aerosol propellants are dimethyl ether or an aliphatic hydrocarbon component consisting of C₁ -C₄ straight or branched chain hydrocarbons such as methane, ethane, propane, n-butane, isobutane, etc., or mixtures thereof.

The hair coloring method of the present invention, and the hair coloring compositions described herein, provide surprisingly desirable non-permanent colorings of hair which are easily and completely removable in hot water, such as when shampooing, yet offer excellent resistance to redispersion in ambient temperature water and excellent resistance to flaking during combing and brushing. Additionally, the surprisingly balanced substantivity property results in virtually no color rub-off. Thus, a superior non-permanent hair coloring method and composition are provided.

The following examples illustrate further the practice of the invention:

EXAMPLE 1

Components (a)-(g) comprising

(a) 80.3 g (0.414 m) dimethyl isophthalate

(b) 26.9 g (0.091 m) dimethyl-5-sodiosulfoisophthalate

(c) 54.1 g (0.51 m) diethylene glycol

(d) 37.4 g (0.26 m) 1,4-cyclohexanedimethanol

(e) 0.75 g (0.0091 m) anhydrous sodium acetate

(f) 100 ppm Ti catalyst as titanium tetraisopropoxide

(g) 15.0 g (0.0181 m) cyan colorant having the formula

CuPc SO₂ NHCH₂ C(CH₃)₂ CH₂ OH!₂.5

Pc=phthalocyanine nucleus

were added to a 500 mL round bottom flask that was fitted with a stirrer, condensate take off, and nitrogen inlet head. The flask and contents were immersed into a Belmont metal bath and heated for two hours at 200°-220° C. while ester interchange occurred. To carry out the polycondensation reaction, the temperature was increased to about 250° C. and the flask was held under vacuum ≦0.5 mmHg for about 20 minutes. The resulting polymer was dark blue and contained about 10% (W/W) cyan colorant. The polymer was granulated by grinding in a Wiley mill. It has a weight average molecular weight of 12,027 and a number average molecular weight of 4,393 by gel permeation phase chromatography (GPC) and a polydispersity value of 2.73.

EXAMPLE 2

A portion (60.0 g) of the sulfo-containing polymeric colorant of Example 1 was added portionwise to water (180 g) and the mixture stirred at the boil, allowing some of the water to evaporate, for about 10 minutes to give a dark cyan solution. The total weight was about 200 g, thus giving a 30% by weight solution of the colorant in water.

EXAMPLE 3

Example 1 was repeated using 15.0 g (0.02 m) of magenta colorant ##STR4## to replace component (g) to produce a dark red polymer which contains about 10% by weight of the magenta colorant and which as an I.V. of 0.24, a Tg at 60.1° C., a weight average molecular weight of 13,979, a number average molecular weight of 5,222 and a polydispersity value of 2.67.

EXAMPLE 4

A portion of the sulfo-containing polyester colorant of Example 3 (60.0 g) was added portionwise to water (180 g) to prepare about a 30% by weight aqueous magenta solution of the colorant, as described in the method of Example 2.

EXAMPLE 5

Example 1 was repeated using 15.0 g (0.045 m) of yellow colorant ##STR5## to replace component (g) to produce a dark yellow polymer which contains about 10% by weight of yellow colorant and which has an I.V. of 0.23, a Tg at 56.1° C., a weight average molecular weight of 12,476, a number average molecular weight of 4,224 and a polydispersity of 2.95.

EXAMPLE 6

A portion of the sulfo-containing polyester colorant of Example 5 (60.0 g) was added to water to prepare a 30% by weight aqueous yellow solution, as described in the method of Example 2.

EXAMPLE 7

Example 1 was repeated using 15.0 g (0.037 m) of red colorant ##STR6## to replace component (g) to produce a dark red polymer which contains about 10% by weight of the red colorant and which has an I,V. of 0.235, a Tg at 57.51° C., a weight average molecular weight of 12,728, a number average molecular weight of 5,035 and a polydispersity value of 2.53.

EXAMPLE 8

A portion of the sulfo-containing polyester colorant of Example 7 (60.0 g) was added to water to prepare a 30% by weight aqueous red solution, as described in the method of Example 2.

EXAMPLE 9

The procedure of Example 1 was repeated using

(a) 67.1 g (0.35 m) dimethyl isophthalate

(b) 20.3 g (0.07 m) dimethyl-5-sodiosulfoisophthalate

(c) 31.4 g (0.30 m) diethylene glycol

(d) 28.0 g (0.19 m) 1,4-cyclohexanedimethanol

(e) 0.75 g (0.009 m) anhydrous sodium acetate

(f) 28.0 g (0.068 m) colorant used in Example 7

to produce a sulfo-containing polyester red colorant which contains about 20% by weight of the red anthraquinone colorant and which has an I.V. of 0.30, a Tg at 70.2° C., a weight average molecular weight of 13,889, a number average molecular weight of 7,110 and a polydispersity value of 1.95.

EXAMPLE 10

The procedure of Example 1 was repeated using

(a) 59.4 g (0.81 m) dimethyl isophthalate

(b) 18.0 g (0.06 m) dimethyl-5-sodiosulfoisophthalate

(c) 25.7 g (0.24 m) diethylene glycol

(d) 24.8 g (0.17 m) 1,4-cyclohexanedimethanol

(e) 0.75 g (0.009 m) anhydrous sodium acetate

(f) 42.0 g (0.10 m) colorant used in Example 7

to produce a sulfo-containing polyester red colorant which contains about 30% by weight of the red anthraquinone colorant and which as an I.V. of 0.22, a Tg of 83.3° C., a weight average molecular weight of 12,436, a number average molecular weight of 6,270 and a polydispersity value of 2.0.

EXAMPLE 11

The procedure of Example 1 was repeated using

(a) 51.5 g (0.27 m) dimethyl isophthalate

(b) 15.6 g (0.50 m) dimethyl-5-sodiosulfoisophthalate

(c) 20.5 g (0.19 m) diethylene glycol

(d) 21.5 g (0.15 m) 1,4-cyclohexanedimethanol

(e) 0.75 g (0.009 m) anhydrous sodium acetate

(f) 56.0 g (0.136m) colorant used in Example 7

to produce a sulfo-containing polyester red colorant which contains about 40% by weight of the red anthraquinone colorant and which has an I.V. of 0.25, a Tg of 94.9° C., a weight average molecular weight of 10,635, a number average molecular weight of 5,846 and a polydispersity value of 1.82.

EXAMPLE 12

The procedure of Example 1 was repeated using

(a) 40.5 g (0.22 m) dimethyl isophthalate

(b) 13.2 g (0.04 m)dimethyl-5-sodiosulfoisophthalate

(c) 15.7 g (0.15 m) diethylene glycol

(d) 18.1 g (0.13 m) 1,4-cyclohexanedimethanol

(e) 0.75 g (0.009 m) anhydrous sodium acetate

(f) 70.0 g (0.170m) colorant used in Example 7

to produce a sulfo-containing polyester red colorant which contains about 50% by weight of the red anthraquinone colorant and which as an I.V. of 0.155, a Tg at 108° C., a weight average molecular weight of 8,032, a number average molecular weight of 4,442 and a polydispersity value of 1.81.

EXAMPLE 13

Example 1 was repeated using 15.0 g (0.0187 m) of blue colorant ##STR7## to replace component (g) to produce a dark blue polymer which contains about 10% by weight of the blue anthraquinone colorant and which has an I.V. of 0.30, a Tg at 64.4° C., a weight average molecular weight of 15,850, a number average molecular weight of 5,163 and a polydispersity value of 3.07.

EXAMPLE 14

A portion of the sulfo-containing polyester of Example 13 (60.0 g) was added to water to prepare a 30% weight aqueous blue solution,as described in the method of Example 2.

EXAMPLE 15

Example 1 was repeated using 15.0 g (0.031M) of red colorant ##STR8## to replace component (g) to produce a dark red polymer which contains about 10% by weight of the red anthraquinone colorant and which has an I.V. of 0.207, a Tg at 56.9°, a weight average molecular weight of 12,724, a number average molecular weight of 4,189 and a polydispersity value of 3.01.

EXAMPLE 16

A portion (60.0 g) of the sulfo-containing polyester colorant of Example 15 was added to water to prepare a 30% by weight aqueous magenta solution, as described in the method of Example 2.

EXAMPLE 17

Example 1 was repeated using 15.0 g (0.028 m) of red colorant ##STR9## to replace component (g) to produce a dark red polymer which contains about 10% by weight of the red anthrapyridone colorant and which has an I.V. of 0.22, a Tg at 61.9° C., a weight average molecular weight of 11,621, a number average molecular weight of 4,021 and a polydispersity value of 2.89.

EXAMPLE 18

A portion (60.0 g) of the sulfo-containing polyester of Example 17 was added to water to prepare a 30% by weight aqueous red solution, as described in the method of Example 2.

EXAMPLE 19

A portion (110 g) of the sulfo-containing polyester colorant of Example 10 was added portionwise to boiling water (275 mL). Heat was lowered somewhat and stirring continued to complete solution. Adjusted total weight to 366 g, thus giving a 30% by weight aqueous solution of the polymer. After standing overnight, a gel-like solid had formed in the bottom of the container. The material was diluted with stirring to produce a total weight of 671 g, thus providing a 16% by weight solution of the colored polyester in water.

EXAMPLE 20

Components (a)-(f) comprising

(a) 87.4 g (0.45 m) dimethyl isophthalate

(b) 14.9 g (0.05 m) dimethyl 5-sodiosulfoisophthalate

(c) 82.1 g (0.77 m) diethylene glycol

(d) 0.41 g (0.005 m) anhydrous sodium acetate

(e) 100 ppm Ti catalyst as titanium tetraisopropoxide

(f) 14.0 g (0.0186 m) magenta colorant used in Example 3 were added to a 500 mL round bottom flask that was fitted with a stirrer, condensate take off and nitrogen inlet head. The flask and contents were immersed into a Belmont metal bath and heated for 1 hr. at 200° C. The temperature was increased to 230° C. and maintained for 90 minutes while ester interchange occurred. To carry out the polycondensation, the temperature was increased to 270° C. and held for 15 minutes. The pressure was then gradually reduced to about ≦0.5 mmHg over about a 10-minute period and then the temperature was held for about 30 minutes. The resulting polymer was dark red and contained about 10% (w/w) of magenta colorant. The polymer was granulated by grinding in a Wiley mill. It has an I.V. of 0.36, a Tg at 36.4° C., a weight average molecular weight of 22,995, a number average molecular weight of 10,107 and a polydispersity value of 2.28.

EXAMPLE 21

A 30% by weight solution of the sulfo-containing polymeric colorant of Example 20 was prepared by dissolving 110 g of the colored polymer in water (275 mL) and boiling to facilitate solution and then adjusting the amount of water needed.

EXAMPLE 22

Components (a)-(g) comprising

(a) 84.5 g (0.44 m) dimethyl isophthalate

(b) 14.4 g (0.05 m) dimethyl sodiosulfoisophthalate

(c) 62.4 g (0.59 m) diethylene glycol

(d) 15.5 g (0.11 m) 1,4-cyclohexanedimethanol

(e) 6.40 g (0.0049) m anhydrous sodium acetate

(f) 100 ppm Ti catalyst as titanium tetraisopropoxide

(g) 14.0 g (0.0186 m) magenta colorant used in Example 3 were reacted exactly as described in Example 20 to give a sulfo-polyester polymer containing about 10% (w/w) of the magenta colorant. The polymer has an I.V. of 0.38, a Tg at 45.2° C., a weight average molecular weight of 24,477, a number average molecular weight of 10,612 and a polydispersity value of 2.5.

EXAMPLE 23

A portion (100 g) of the sulfo-containing polyester of Example 22 was dissolved in water (250 mL) by stirring and heating at the boiling point and then the amount of water adjusted to give a 28% by weight aqueous solution of polymer in water.

EXAMPLE 24

A blend of sulfo-containing polyester colorants was prepared by combining the solutions as prepared in Example 2 (4.0 g), Example 4 (2.0 g), Example 6 (2.0 g) and Example 8 (0.80 g) by stirring together.

EXAMPLE 25

Eight grams of Eastman AQ55S, a sulfo-containing, water dispersible polymer from Eastman Chemical Company, was added with stirring to water at 80°-85° C. and the mixture stirred until the polymer was completely dispersed in water. After cooling, a sufficient quantity of preservative was added. MYVATEX Texture Lite (5.5 g), an emulsifier supplied by Eastman Chemical Company, was added with high-speed agitation, being careful to avoid aeration. When the mixture was uniform, MYVATEX 60 (0.8 g), an emulsifier from Eastman Chemical Company, and MONAMID 150 ADD (1.0 g), a foam stabilizer from Mona, were added. A desired amount of fragrance was added and the pH of the formulation was adjusted to 6.5-7.0 by addition of citric acid.

EXAMPLE 26

A portion (20.0 g) of the basic mousse formulation of Example 25 was combined with the mixture of sulfo-containing polyester colorants of Example 24 by mixing and the mixture combined with 5.0 g of A46 propellant, a dimethyl ether aerosol propellant from Aeropress.

EXAMPLE 27

The aerosol hair coloration formulation of Example 26 was applied to uncolored hair tresses by spraying at room temperature. After a few minutes, some of the tresses were rinsed by holding under cold running tap water. Other tresses were allowed to dry overnight and then rinsed by holding under hot tap water. All of the samples showed good coverage and considerable color. Shampooing and then rinsing of the colored hair tresses with warm tap water removed most of the coloration. Thus, a method of providing temporary hair coloration which is readily removed by shampooing is provided.

EXAMPLE 28

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 5.0 g        1.5                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Red Anthrapyridone                                                                            1.6 g        0.48                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 18)                                                    Blue Anthraquinone                                                                             .5 g        0.15                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Triton X-100 nonionic                                                                         0.2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               92.7 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and deionized water by stirring at room temperature. The composition was applied to naturally blonde hair tresses by wetting the fibers, removing excess composition with towel, and blow drying. It produced a golden reddish shade. The hair showed no flaking when brushed, no color rub-off against a white cloth, and insignificant color bleed in tap water. The color on hair was completely removable by lathering with a commercial shampoo. The composition was especially useful as a color refresher to adjust for fading on hair previously colored with a permanent oxidation dye product.

EXAMPLE 29

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 3.0 g        0.9                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Red Anthrapyridone                                                                            2.4 g        0.72                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 18)                                                    Blue Anthraquinone                                                                            0.12 g       0.036                                              (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Triton X-100 nonionic                                                                         0.2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               94.28 g                                                         ______________________________________                                    

The colored polymer solutions were combined with the surfactant and deionized water by stirring at room temperature. The composition was applied to naturally blonde hair tresses as described in Example 28, producing a reddish orange shade. Other comments under Example 28 equally apply.

EXAMPLE 30

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         CyanCuPc       4.0 g        1.2                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 2)                                                     Magenta Anthraquinone                                                                         9.0 g        2.61                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 4)                                                     Triton X-100 nonionic                                                                          .2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               86.8 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and deionized water by stirring at room temperature. The composition was applied to naturally blonde hair tresses as described in Example 28, producing a smoky grey shade. Other comments under Example 28 equally apply.

EXAMPLE 31

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 0.5 g        0.15                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Red Anthrapyridone                                                                            1.6 g        0.48                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 18)                                                    Blue Anthraquinone                                                                            0.2 g        0.06                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Triton X-100 nonionic                                                                         0.2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               86.8 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and deionized water by stirring at room temperature. The composition was applied to naturally blonde hair tresses as described in Example 28, producing a reddish orange shade. Other comments under Example 28 equally apply.

EXAMPLE 32

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         CyanCuPc       1.0 g        0.3                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 2)                                                     Magenta Anthraquinone                                                                         2.25 g       0.675                                              (30 WT % aqueous colored                                                       polymer solution). (Ex. 4)                                                     Blue Anthraquinone                                                                            .33 g        0.099                                              (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Triton X-100 nonionic                                                                          .2 g                                                           surfactant. Dow Corning                                                        Eastman AQ55S sulfo-                                                                          10.0 g       10.0                                               containing water dispersible                                                   solid polyester polymer.                                                       (Eastman Chem. Co.)                                                            Deionized water                                                                               86.22 g                                                         ______________________________________                                    

In a first step, 10g of Eastman AQ55S polymer were added with stirring to 86.22 g of water at 80°-85° C. and the mixture stirred until the polymer was completely dispersed in water. After cooling, this solution was added to the colored polymer solutions and surfactant and mixed by stirring at room temperature. The composition was applied to naturally blonde hair tresses by spreading it with the fingers. The tresses were then wound on half-inch diameter rollers and blow dried. After removal from the rollers, the hair tresses retained the curled configuration for 10 hours at 65% R. H. The composition imparted a light grey color to the hair. The hair showed very little flaking when brushed, no color rub-off against a white cloth, and insignificant color bleed in tap water. The color on hair was completely removable by lathering with a commercial shampoo. The composition can be advantageously used as a color refresher with hair setting action.

EXAMPLE 33

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 0.1 g        0.03                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Red Anthraquinone                                                                             1.0 g        .16                                                (16 WT % aqueous colored                                                       polymer solution). (Ex. 19)                                                    Blue Anthraquinone                                                                            0.1 g        0.03                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Triton X-100 nonionic                                                                         0.2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               98.6 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and deionized water by stirring at room temperature. The composition was applied to naturally blonde hair tresses as described in Example 28, producing a pale reddish shade. The composition can be used as a color refresher to adjust for fading on hair previously colored with a permanent oxidation dye product. In addition, the natural feel of the hair remains practically unaffected because Red Anthraquinone, the major component, contains a very high level of chromophore (30 WT %) in its backbone and not much of it is needed to produce useful shades. Polymers used in Examples 24-32 have only 10 WT % of chromophore in the backbone.

EXAMPLE 34

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 0.2 g        0.06                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Red Anthraquinone                                                                             1.5 g        0.24                                               (16 WT % aqueous colored                                                       polymer solution). (Ex. 19)                                                    Blue Anthraquinone                                                                            0.2 g        0.06                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Triton X-100 nonionic                                                                         0.2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               97.9 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and the deionized water by stirring at room temperature. The composition was applied to naturally blonde hair tresses as described in Example 28, producing a reddish shade. The composition can be used as a color refresher to adjust for fading of hair previously colored with a permanent oxidation dye product. As in Example 33 the Red Anthraquinone allows, if it is desired, to formulate color refreshers which have negligible effects on the original feel of the hair.

EXAMPLE 35

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         CyanCuPc       2.0 g        0.6                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 2)                                                     Magenta Anthraquinone                                                                         4.5 g        1.35                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 4)                                                     Q2-7224 Silicone Emulsion.                                                                    2.0 g                                                           Dow Corning                                                                    Triton X-100 nonionic                                                                         0.2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               91.3 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the other ingredients by stirring at room temperature. The composition was applied to naturally blonde hair tresses as described in Example 28, producing a violet shade. The hair showed no flaking when brushed, very small level of rub-off against a white cloth and insignificant color bleed in tap water. The color is completely removable by shampooing. The composition can be used as a color refresher. The incorporation of the silicone emulsion into the composition makes the hair very easy to comb during and after product application. It also confers a soft silky feel to the treated hair.

EXAMPLE 36

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 0.5 g        0.15                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Magenta Anthraquinone                                                                         1.5 g        0.45                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 21)                                                    Triton X-100 nonionic                                                                         0.2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               97.8 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and the deionized water by stirring at room temperature. The composition was applied to naturally blonde hair tresses as described in Example 28, producing a golden blonde shade. The use of Magenta Anthraquinone, which has a low glass transition temp (36.4° C.), makes this composition very resistant to color bleed even in very pure deionized water, without introducing negative performance effects. Colored polymers used in examples 24 through 35 have glass transition temperatures higher than 55° C.

EXAMPLE 37

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 1.0 g        0.30                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Magenta Anthraquinone                                                                         5.0 g        1.5                                                (28 WT % aqueous colored                                                       polymer solution). (Ex. 23)                                                    Triton X-100 nonionic                                                                          .2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               93.8 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and the deionized water by stirring at room temperature. The composition was applied to naturally blonde hair tresses as described in Example 28, producing a reddish golden shade. As in Example 36, the use of Magenta Anthraquinone, which also has a low glass transition temperature (45.2° C.), produces excellent resistance to color bleed even in very pure dionized water, without introducing any negative performance effects.

EXAMPLE 38

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 10.0 g       3.0                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     CyanCuPc       20.0 g       6.0                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 2)                                                     Red Anthraquinone                                                                             55.0 g       16.5                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 16)                                                    Triton X-100 nonionic                                                                          0.2 g                                                          surfactant. Dow Corning                                                        Deionized water                                                                               14.8 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and the deionized water by stirring at room temperature. The composition was applied to natural grey hair tresses by wetting the fibers, removing excess composition with towel and blow drying. It produced a medium black color on the hair. The hair showed very small level of flaking when brushed, slight rub-off when rubbed against a white cloth and insignificant color bleed in tap water. The color on hair was completely removed by lathering with a commercial shampoo. The composition can be used as a temporary hair coloring treatment to produce very significant changes in the original color of hair. Due to the high level of colored polymer in the composition, the treatment is an excellent setting agent for hair.

EXAMPLE 39

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 15.0 g       4.5                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Red Anthraquinone                                                                             5.0 g        1.5                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 16)                                                    Blue Anthraquinone                                                                            2.6 g        0.78                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Triton X-100 nonionic                                                                         0.2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               77.2 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and the deionized water by stirring at room temperature. The composition was applied to naturally blonde hair tresses as described in Example 38. It produced a medium golden brown shade. Other comments under Example 38 equally apply.

EXAMPLE 40

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 15.0 g       4.5                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Red Anthraquinone                                                                             8.0 g        2.4                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 16)                                                    Blue Anthraquinone                                                                            1.5 g        0.45                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Triton X-100 nonionic                                                                         0.2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               75.3 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and the deionized water by stirring at room temperature. The composition was applied to natural grey hair as described in Example 38. It produced a reddish brown shade. Other comments under Example 38 equally apply.

EXAMPLE 41

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 15.0 g       4.5                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Red Anthraquinone                                                                             12.0 g       3.6                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 16)                                                    Blue Anthraquinone                                                                             0.6 g       0.18                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Triton X-100 nonionic                                                                          0.2 g                                                          surfactant. Dow Corning                                                        Deionized water                                                                               72.2 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and the deionized water by stirring at room temperature. The composition was applied to natural grey hair as described in Example 38. It produced an auburn shade. Other comments under Example 38 equally apply.

EXAMPLE 42

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 15.0 g       4.5                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Red Anthraquinone                                                                             8.0 g        2.32                                               (30 WT % aqueous colored                                                       polymer solution). (Ex. 16)                                                    Blue Anthraquinone                                                                            1.0 g        0.3                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Triton X-100 nonionic                                                                         0.2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               75.8 g                                                          ______________________________________                                    

The colored polymer solutions were combined with the surfactant and the deionized water by stirring at room temperature. The composition was applied to naturally blonde hair tresses as described in Example 28. It produced a reddish brown color. The hair showed very small level of flaking when brushed, slight rub-off against a white cloth, and insignificant color bleed in tap water. As in previous examples,if the tresses are shampooed at this stage, all of the color from the hair can be removed by one or at the most two latherings with a commercial shampoo. If on the other hand the colored hair tresses are then treated by quick immersion in a 3.0% aqueous solution of Ferric Chloride (FeCl₃. 6H₂ O) and dried, one observes that after six latherings with a commercial shampoo a considerable amount of color still remains on the hair. Even after six additional latherings, for a total of twelve, the original reddish brown color is still perceptible, albeit much weaker on the hair. An important result is that the original shade is removed on tone, that is, each of the individual colored polymers in the composition is being removed by repeated shampooing at a similar rate. This post treatment with an inorganic salt can be advantageously used to make treatments with the colored polymer in this invention more durable.

EXAMPLE 43

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Methine 15.0 g       4.5                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 6)                                                     Red Anthraquinone                                                                             8.0 g        2.3                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 16)                                                    Blue Anthraquinone                                                                            1.0 g        0.3                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 14)                                                    Q2-7224 Silicone Emulsion.                                                                    6.0                                                             Dow Corning                                                                    Triton X-100 nonionic                                                                          .2 g                                                           surfactant. Dow Corning                                                        Deionized water                                                                               75.8 g                                                          ______________________________________                                    

All of the ingredients are combined by stirring at room temperature. The composition was applied to naturally blonde hair tresses, as described in Example 28. It produced an orange golden color. The hair showed no flaking when brushed, low level of rub-off against a white cloth and insignificant color bleed in tap water. The color is completely removable by shampooing. The incorporation of the silicone emulsion into the composition makes the hair very easy to comb during and after product application. It also confers a soft feel to the colored hair.

EXAMPLE 44 Example 1 was repeated using

(a) 51.6 g (0.27 m) dimethyl isophthalate

(b) 24.9 g (0.084 m) dimethyl-5-sodiosulfoisophthalate

(c) 58.3 g (0.55 m) diethylene glycol

(d) 11.4 g (0.079 m) 1,4-cyclohexanedimethanol

(e) 0.75 g (0.009 m) anhydrous sodium acetate

(f) 14.0 g (0.0273 m) yellow anthraquinone colorant having the formula ##STR10## to produce a sulfo-containing polyester yellow colorant which contains about 14% by weight of the yellow anthraquinone colorant and which has a I.V. of 0.22, a Tg. of 52.3° C., a weight average molecular weight of 12,817, a number average molecular weight of 4,234 and a polydispersity of 3.0.

EXAMPLE 45

A portion of the sulfo-containing polyester of Example 43 (90 g) was added to water to prepare a 30% by weight aqueous yellow solution, as described in the method of Example 2.

EXAMPLE 46

    ______________________________________                                                      Weight of polymer                                                                         % Weight of                                                         solution and of                                                                           polymer in                                                          other ingredients                                                                         final composition                                      ______________________________________                                         Yellow Anthraquinone                                                                          10.0 g       3.0                                                (30 WT % aqueous colored                                                       polymer solution). (Ex. 45)                                                    Triton X-100 nonionic                                                                          0.2 g                                                          surfactant. Dow Corning                                                        Deionized water                                                                               89.8 g                                                          ______________________________________                                    

The colored polymer solution was combined with the surfactant and the deionized water by stirring at room temperature. The composition was applied to naturally light brown hair tresses, as described in Example 38. When the treated tresses were compared to untreated controls, they were clearly lighter. The hair showed no flaking when brushed, and low level of rub-off against a white cloth. This composition illustrates how the yellow colored polymer can be used to make hair appear lighter.

EXAMPLE 47 Comparative Example

PolyT from Dynapol Corporation is a colored, sulfo-containing, water-dispersible polymer having a poly (vinyl amine) backbone (i.e. hydrocarbon chain) in which more than 90% of the available amine sites have been reacted with a yellow azo chromophore as described in U.S. Pat. Nos. 4,051,138; 4,144,252, and 4,169,203 assigned to Dynapol.

Grey and bleached hair swatches were dipped into one percent aqueous solution of PolyT, combed through, and dried at ambient conditions. The colored tresses were immersed in ambient temperature tap water for five minutes for an evaluation of water bleed. It was estimated that after this time, 95% of the color was lost from the grey hair tresses and virtually all the color was lost from the bleached hair tresses.

While the invention has been described with particular reference to certain embodiments thereof, it will be understood that changes and modifications may be made which are within the skill of the art. The present invention is limited only by the claims that follow. 

What We claim is:
 1. A method of non-permanently coloring human hair comprising applying to the fibers a tinctorially effective amount of at least one sulfo-containing, water-dispersible, pre-formed polymer having carbonyloxy linking groups, and a colorant reacted into or onto the polymer backbone.
 2. The method of claim 1 wherein the polymer comprises about 20 mole % to 100 mole % carbonyloxy linking groups and further comprises 0 to about 80 mole % carbonylamide linking groups.
 3. The method of claim 2 wherein the polymer comprises water-solubilizing sulfonate groups.
 4. The method of claim 3 wherein the colorant comprises one or more heat stable organic compounds having at least one condensable group, wherein the colorant is present in an amount from about 1 to about 40 mole %, based on a total of all reactant hydroxy, carboxy and amino equivalents and the condensable derivatives thereof.
 5. The method of claim 4 wherein the polymer, containing substantially equimolar proportions of acid equivalents to hydroxy and amino equivalents, comprises the reaction residues of the following reactants and their ester-forming and esteramide-forming derivatives:(a) at least one dicarboxylic acid; (b) from about 4 to about 25 mole %, based on a total of all acid, hydroxy and amino equivalents being equal to about 200 mole %, of at least one difunctional sulfomonomer containing at least one sulfonate group attached to an aromatic or cycloaliphatic nucleus wherein the functional groups are selected from the group consisting of hydroxy, carboxy and amino; (c) at least one difunctional reactant selected from a glycol or a mixture of a glycol and diamine having two--NHR groups, the glycol containing two--CH₂ OH groups of which (1) at least about 10 mole %, based on the total mole percent of hydroxy or hydroxy and amine equivalents, is a poly(ethylene glycol) having the structural formula:

    H(OCH.sub.2 CH.sub.2).sub.n OH

n being an integer of from about 2 to about 20, or (2) from about 0.1 to about 15 mole %, based on the total mole percent of hydroxy or hydroxy and amine equivalents, is a poly(ethylene glycol) having the structural formula:

    H(OCH.sub.2 CH.sub.2).sub.n OH

n being an integer of from about 2 to about 500, and with the proviso that the mole percent of said poly(ethylene glycol) is inversely proportional to the quantity of n; (d) optionally, at least one difunctional reactant selected from a hydroxycarboxylic acid, an amino-carboxylic acid having one--NHR group and an amino-alcohol having one--C(R)₂ OH group and one--NHR group; or mixtures of said difunctional reactants; wherein each R in the (c) or (d) reactants is a hydrogen atom or alkyl group of 1 to 4 carbon atoms; and (e) from about 5 to about 40 mole %, based on a total of all acid, hydroxy and aminoequivalents being equal to about 200 mole %, of said colorant, wherein said colorant has at least one functional group selected from hydroxy, carboxy and amino equivalents, and the condensable derivatives thereof.
 6. The method of claim 5 wherein the polymer contains not more than about 10 mole %, based on all reactants, of reactant (d); about 5 to about 30 mole %, based on all reactants, of reactant (e); and at least about 70 mole % of all hydroxy equivalents are present in the glycol of reactant (c).
 7. The method of claim 6 wherein carbonyloxy linking groups are polyesters and the carbonylamide linking groups are polyamides.
 8. The method of claim 7 wherein the colorant is selected from the group consisting of:methines; bis-methines; anthraquinones; 3H-dibenz f,ij!isoquinoline-2,7-diones(anthrapyridones); triphenodioxazines; 5,12-dihydroquinoxalino 2,3-b!phenazines (fluorindines); phthaloylpyrrocolines; 2H-1-benzopyran-2-ones(coumarins);3H-naphtho 2,1-b!pyran-2-ones(benzocoumarins); 4-amino-1,8 naphthalimides; thioxanthene-9-ones; 2,5(3)-arylaminoterephthalic acids (or esters); benzo f!pyrido 1,2-a!indole-6,11-diones; quinophthalones; 7H-benz(de)anthracene-7-ones(benzanthrones); 7H-benzo e!perimidin-7-ones(anthrapyrimidines); 6,15-dihydro-5,9,14,18-anthrazinetetrones (indanthrones); 7H-dibenz f,ij!isoquinoline-7-ones(anthrapyridines); 6H, 18H-pyrido 1,2-a: 3,4-b'!diindole-6,13-dionesdiindolo 3,2,1-de: 3',2',1'-ij! 1,5!naphthpyridin-6,13-diones; naphtho 1',2',3':4,5!quino 2,1-b!quinazoline-5,10 diones; benzo f!pyrido 1,2-a!indole-6,11-diones; 7H-benzimidazo 2,1-a! de!isoquinolin-7-one; 5H-benzol a!phenoxazine-5-ones; 5H-benzo a!phenothiazine-5-ones; benzo f!pyrido 1,2-a!indole-6,11-diones; 3,6-diaminopyromellitic acid diimides; naphthalene 1:4:5:8! tetra carboxylic bis imides; 3-aryl-2,5-dioxypyrrolines; perinones; perylenes; phthalocyanines; anthraisothiazoles; quinacridones; anthrapyrimidones; phthaloylacridones; phthaloylphenothiazines and phthaloylphenothiazine-S,S-dioxides.
 9. The method of claim 8 wherein the colorant is selected from the group consisting of methines, bis-methines, anthrapyridones, anthraquinones, phthalocyanines and mixtures thereof.
 10. The method of claim 9 wherein the colorant is represented by the formula X-Col-X wherein Col is a residue of the colorant and X is a condensable carbonyloxy-reactive or carbonylamide-reactive substituent.
 11. The method of claim 10 wherein X may be the same or different and is selected from the group consisting of hydroxy, carboxy, amino, alkylamino, an ester radical and an amido radical, wherein said radicals have the formulae ##STR11## wherein R₁ is selected from the group consisting of unsubstituted or substituted C₁ -C₅ alkyl, C₅ -C₇ cycloalkyl, phenyl and substituted phenyl; and R₂ is selected from the group consisting of hydrogen and R₁.
 12. The method of claim 11 wherein the inherent viscosity of the polymer is from about 0.10 to about 0.50 measured in a 60/40 parts by weight solvent solution of phenol/tetrachloroethane at 25° C. and at a concentration of 0.10 g. of polymer in 100 ml of the solvent solution.
 13. The method of claim 12 wherein the polymer has a weight average molecular weight of from about 5,000 to about 50,000.
 14. The method of claim 13 wherein the hair is on a human scalp.
 15. The method of claim 14, wherein the hair is rinsed, subsequent to coloring, with an aqueous solution of inorganic salts.
 16. The method of claim 15 wherein the inorganic salts comprise bivalent or trivalent metal ions.
 17. A method of non-permanently coloring human hair comprising applying to the fibers a tinctorially effective amount of at least one sulfo-containing, water-dispersible, pre-formed polymer having carbonyloxy linking groups, and a colorant reacted into or onto the polymer backbone, and then rinsing the hair, subsequent to said coloring, with an aqueous solution of inorganic salts. 